Products

As a reliable Chinese manufacturer and one-stop supplier of steel structures, HAISHENG offers rectangular hollow structural steel tubes—cold-formed steel sections available in both seamless and welded varieties. Manufactured in accordance with standards such as GB/T 6728, they are primarily made from Q235B and Q355B steel. These tubes feature outstanding resistance to bending and lateral displacement, offer stable load-bearing performance and a uniform profile, and are highly adaptable for installation.

HAISHENG specializes in supplying high-quality seamless circular structural steel pipes. These pipes feature a dense microstructure, high overall strength, excellent pressure and high-temperature resistance, superior fatigue resistance, and outstanding sealing capabilities. They are widely used in applications such as high-pressure fluid transport, thermal pipelines, chemical equipment, mechanical cylinders, and high-pressure steel structural columns, serving as a core piping component for scenarios demanding high temperature and pressure resistance, corrosion resistance, and high safety standards.

As a professional manufacturer and supplier of steel pipes, HAISHENG offers high-quality welded steel pipes from stock. Characterized by high production efficiency, excellent cost-performance, and a comprehensive range of specifications, these pipes feature a hollow circular cross-section that ensures balanced load distribution and offers superior resistance to bending, torsion, and pressure. They are widely used in construction, municipal infrastructure, and electromechanical engineering.

HAISHENG is a professional manufacturer and supplier of steel roof edge trim components for cladding. These specialized, custom-profiled decorative and waterproofing components—fabricated via precision bending from galvanized, Al-Zn coated, color-coated, or stainless steel sheets—are designed for use in steel structure, metal roofing, and wall systems. Serving as standardized or customized metal accessories for edges, corners, joints, and intersections (such as roofs, walls, doors/windows, eaves, ridges, gables, and gutters), they provide sealing and waterproofing, conceal raw edges, protect panels, channel rainwater, and enhance aesthetics; they are critical functional accessories for the waterproofing and visual appeal of the building envelope system.

HAISHENG is a professional manufacturer and supplier of Hot Rolled Carbon Steel Round Bars in China. These products feature uniform texture, good toughness and ductility, and are easy to weld, bend, and machine. They are primarily used for embedded parts in steel structures, raw material for anchor bolts, tie rods, pins, small supports, and mechanical components.

As a reliable Chinese manufacturer and one-stop supplier of steel structures, HAISHENG offers readily available stock of galvanized structural steel angle bars. Manufactured in accordance with the GB/T 706 standard, these hot-rolled L-shaped sections come in two types—equal-leg and unequal-leg angles—and are primarily made from Q235B or Q355B steel.